406 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nashua: Sylvester Electric, Inc., CR Score 61/100; 4.7★ from 898 Google reviews; open 24/7.
Best for emergencies (open 24/7): Gagnon's Electrical Services, posts 24/7 hours; ranked #2 of 406.
Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 406 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
406 Nashua electricians are ranked here by CR Score, from ten published factors. 87 are open 24/7, 176 open Saturdays and 115 open Sundays, based on posted hours. The median Google rating is 5.0★ across 406 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sylvester Electric, Inc. | 61 | 4.7★ (898) | Dracut, 10 mi away | 24/7 | Overall |
| 2 | Gagnon's Electrical Services | 61 | 4.7★ (118) | Nashua | 24/7 | Emergencies |
| 3 | TF Electric | 61 | 5.0★ (148) | Dracut, 10 mi away | 24/7 | — |
| 4 | Cote Electric, LLC | 60 | 4.8★ (399) | Manchester, 15 mi away | 24/7 | — |
| 5 | MillTown Plumbing, Heating, Cooling and Electrical | 60 | 4.8★ (2,927) | Chelmsford, 12 mi away | 24/7 | — |
| 6 | TradeWork Home Services | 60 | 5.0★ (121) | Nashua | Sat · Evenings | — |
| 7 | One Stop Electrics | 59 | 5.0★ (15) | Nashua | 24/7 | — |
| 8 | Kuhlman Electric | 59 | 5.0★ (39) | Nashua | Sat · Sun · Evenings | — |
| 9 | Custom Electric & Communications. A VoltWorks Company. | 59 | 5.0★ (39) | Merrimack, 7 mi away | 24/7 | — |
| 10 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 59 | 4.9★ (2,303) | Manchester, 16 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 898 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #2 because of its Google rating and trade focus: 4.7★ from 118 Google reviews, listed on Google as “Electrician”.
Based in Dracut, 10 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 148 Google reviews, listed on Google as “Electrician”.
Based in Manchester, 15 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 399 Google reviews, listed on Google as “Electrician”.
Based in Chelmsford, 12 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 2,927 Google reviews.
Based in Nashua
Ranked #6 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #7 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #8 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Electrician”.
Based in Merrimack, 7 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Electrician”.
Based in Manchester, 16 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 2,303 Google reviews.
Based in Acton, 16 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 335 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #12 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #13 because of its Google rating and review volume: 4.9★ from 793 Google reviews.
Based in Wilmington, 21 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Electrician”.
Based in Tewksbury, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Electrician”.
Based in Derry, 11 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Electrician”.
Based in Dracut, 7 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 63 Google reviews, listed on Google as “Electrician”.
Based in Auburn, 15 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Nashua.
Based in Manchester, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Electrician”.
Based in Chelmsford, 14 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
Based in Chelmsford, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 427 Google reviews, listed on Google as “HVAC contractor”.
Based in Bedford, 14 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 683 Google reviews.
Based in Chester, 14 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Electrician”.
Based in Billerica, 19 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Electrician”.
Based in Nashua
Ranked #25 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Electrician”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 406 ranked electricians here; the rest are on their profiles.
20 more electricians within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A J Mac Electrical Contractors | 5.0★ (2) | 1 mi |
| Addario's Plumbing, Heating, Cooling & Electrical Services | 4.6★ (2,076) | 23 mi |
| Bohan Electric LLC | 4.8★ (17) | 18 mi |
| Chandler Electrical Services | 5.0★ (5) | 12 mi |
| CLK Electric LLC | 3.5★ (8) | 10 mi |
| DC Electrical Service | 3.0★ (2) | 8 mi |
| Denommee Plumbing, HVAC & Electric | 4.9★ (51) | 10 mi |
| Energy LB Resources LLC | In Nashua | |
| Frank Licata, Master Electrician | 3.4★ (5) | 10 mi |
| Heritage Home Service | 4.8★ (3,352) | 20 mi |
| Joyce Cooling & Heating Inc. | 4.9★ (5,079) | In Nashua |
| McCarty Electric Solutions | 5.0★ (2) | 2 mi |
| Milltown Plumbing, Heating, Air Conditioning, Drain Cleaning & Electrical | In Nashua | |
| Modern Electric, Inc. | 5.0★ (24) | 20 mi |
| Precision Energy Corp. | 3.0★ (2) | 10 mi |
| RAD-WIRE ELECTRIC LLC | 5.0★ (14) | 17 mi |
| Rexel | 4.0★ (2) | 11 mi |
| Ron Berube Electric | 5.0★ (2) | 10 mi |
| Thyne Electric & Alarms LLC | 5.0★ (2) | 9 mi |
| Wilson Technologies | 5.0★ (2) | 6 mi |
National price ranges in USD, not adjusted for Nashua. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Electrical panel upgrade | $518 | $1,347 | $2,193 | Per panel, installed; typical range of customer-reported jobs. US national range | October 2026 |
In New Hampshire, New Hampshire Office of Professional Licensure and Certification licenses Electrician licenses (Electricians’ Board).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 406 Nashua electricians on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Nashua data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |